//导入组件
import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import User from '../components/user/User.vue'
import Rights from '../components/Power/Rights.vue'
import Roles from '../components/Power/Roles.vue'
import Cate from '../components/goods/cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/Order/Order.vue'


Vue.use(Router)

const router = new Router({
        routes: [
            //编写路由规则
            //添加重定向地址
            { path: '/', redirect: '/login' },
            { path: '/login', component: Login },
            {
                path: '/home',
                component: Home,
                redirect: '/Welcome',
                children: [
                    { path: '/welcome', component: Welcome },
                    { path: '/users', component: User },
                    { path: '/rights', component: Rights },
                    { path: '/roles', component: Roles },
                    { path: '/categories', component: Cate },
                    { path: '/params', component: Params },
                    { path: '/goods', component: List },
                    { path: '/goods/add', component: Add },
                    { path: '/orders', component: Order },
                ]
            }

        ]
    })
    //挂载路由导航守卫
router.beforeEach((to, from, next) => {
    //to将要访问的路径
    //from代表从哪个路径跳转而来
    //next 是一个函数，表示放行
    //next（）放行  next('/login)强制跳转
    if (to.path === '/login') return next()
        //获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})


export default router